Indian team to IOI-2019 announced  ...

About the Indian Computing Olympiad

The Indian Computing Olympiad is a nationwide competition organized annually by IARCS. The goal of the competition is to identify school students with outstanding skills in algorithms and computer programming.

The Indian Computing Olympiad is used to select the team of four students to represent India at the International Olympiad for Informatics (IOI). IOI is one of the twelve international Science Olympiads held annually. Other prominent Science Olympiads include Mathematics, Physics, Chemistry, Biology and Astronomy.


Registration for the 2019-2020 round of the Indian Computing Olympiad will open after mid-September, 2019. Details will be announced on this page by the end of August, 2019.

The Indian Computing Olympiad is open to all school students across the country, from any school board. Any student registered in school upto class 12 during the academic year 2019-2020 is eligible. There is no lower age limit for participation.


The first round of the Indian Computing Olympiad is in two parts.

  • The Zonal Informatics Olympiad (ZIO) is a written exam. held at centres across the country.

  • Alternatively, students can qualify for the second round by taking part in the Zonal Computing Olympiad (ZCO), a programming contest. The programming languages supported are C, C++, Java and Python.

  • ZIO-2019 was held on 18 November, 2018 and ZCO-2019 was held on 2 December, 2018. The dates for ZIO-2020 and ZCO-2020 will be announced by the end of August, 2019.

The second round, the Indian National Olympiad in Informatics (INOI) involves programming. The programming languages supported are C++ and Java. INOI-2019 took place on 27 January, 2019. The dates for INOI-2020 will be announced by the end of August, 2019.

Approximately 30 students are selected from INOI for the IOI Training Camp (IOITC). IOITC-2019 took place from 30 April to 9 May, 2019. IOITC-2020 is likely to take place in early May, 2020.

IOI-2019 will take place in Azerbaijan. IOI-2020 will take place in Singapore.

How to prepare for ICO

  • Go through the Online Study Material for ICO. The syllabus for ZIO, ZCO and INOI is the list of Basic Topics in the Online Study Material  ...

  • Join the IOI online community  ...

  • Solve problems online at the IARCS Problems Archive  ...

Incentives for students

Codechef conducts a monthly programming contest Lunch Time through Codechef for Schools and offers incentives for IOI through the Go for Gold for IOI programme  ...

The following academic institutions in India have special admission procedures for ICO students.

  • Amrita University offers fully funded B.Tech. Honors CSE programme for students who perform well in ICO  ...

  • Chennai Mathematical Institute offers direct admission to students selected for IOITC in Class 12  ...

  • IIIT Delhi offers bonus marks to students selected for INOI and IOITC  ...

  • IIIT Hyderabad offers admission via the Olympiad category to students selected for IOITC  ...

The following international academic institutions have special admission procedures for IOI students.

  • The Faculty of Mathematics, University of Waterloo, Canada, offers Michael and Ophelia Lazaridis Olympiad Scholarships to IOI medallists  ...

  • The Hong Kong University of Science and Technology has a scholarship scheme for IOI gold medallists  ...


Please write to Madhavan Mukund, National Coordinator, Indian Computing Olympiad at if you have any questions or clarifications.

Our partners

The Indian Computing Olympiad is held in partnership with:

From 2001-2002 to 2013-2014, ZIO and INOI were coordinated through the Central Board for Secondary Education (CBSE). ZCO-2016, INOI-2016 and ZCO-2017 were held on the TCS iON platform.

Copyright (c) IARCS 2003-2018;   Last Updated: 10 May 2019